Alert archive / Michigan / Mesoscale Discussions / 2007
Mesoscale Discussions in Michigan, September 2007
9 mesoscale discussions in September 2007. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in September 2007. Tap one for its archive.
- Mesoscale Discussions
- 9
- Busiest day
- September 21, 20073 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 9:27 PM EDT | Mesoscale Discussion | SPC | Houghton, Keweenaw, Ontonagon | 3 hr |
| Sep 7, 4:36 PM EDT | Mesoscale Discussion | SPC | Barry, Branch, Calhoun, Cass, Clinton, Eaton and 18 more | 114 min |
| Sep 21, 11:24 AM EDT | Mesoscale Discussion | SPC | Menominee | 66 min |
| Sep 21, 2:34 PM EDT | Mesoscale Discussion | SPC | Baraga, Gogebic, Houghton, Iron, Ontonagon | 116 min |
| Sep 21, 7:49 PM EDT | Mesoscale Discussion | SPC | Alger, Delta, Leelanau, Luce, Mackinac, Menominee and 1 more | 86 min |
| Sep 24, 8:37 PM EDT | Mesoscale Discussion | SPC | Baraga, Dickinson, Iron | 83 min |
| Sep 25, 2:36 PM EDT | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 13 more | 84 min |
| Sep 25, 8:03 PM EDT | Mesoscale Discussion | SPC | Genesee, Ingham, Jackson, Lapeer, Lenawee, Livingston and 6 more | 87 min |
| Sep 27, 2:59 PM EDT | Mesoscale Discussion | SPC | Allegan, Benzie, Clare, Delta, Grand Traverse, Kalkaska and 16 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Ingham County3
- Jackson County3
- Menominee County3
- Houghton County2
- Ontonagon County2
- Barry County2
- Branch County2
- Calhoun County2
- Cass County2
- Clinton County2
- Eaton County2
- Genesee County2
- Gratiot County2
- Ionia County2
- Kalamazoo County2
- Lapeer County2
- Lenawee County2
- Livingston County2
- Macomb County2
- Oakland County2
- Saint Joseph County2
- Shiawassee County2
- Washtenaw County2
- Wayne County2
- Baraga County2
- Iron County2
- Delta County2
- Leelanau County2
- Allegan County2
- Kent County2
- Montcalm County2
- Ottawa County2
- Van Buren County2
- Keweenaw County1
- Hillsdale County1
- Monroe County1
- Saginaw County1
- Gogebic County1
- Alger County1
- Luce County1
20 more counties
- Mackinac County1
- Schoolcraft County1
- Dickinson County1
- Berrien County1
- Saint Clair County1
- Sanilac County1
- Benzie County1
- Clare County1
- Grand Traverse County1
- Kalkaska County1
- Lake County1
- Manistee County1
- Mason County1
- Mecosta County1
- Missaukee County1
- Muskegon County1
- Newaygo County1
- Oceana County1
- Osceola County1
- Wexford County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.